| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [noun] [adv] i could not | 6 |
|
| 2 | [num] [noun] [conj] i could not | 5 |
|
| 3 | [num] [noun] i could not [verb] | 6 |
|
| 4 | [num] [noun] i could not [vb infin] | 6 |
|
